Los Angeles Fragmentation Abrasion Machine
ASTM Standard Digital Display Los Angeles Fragmentation Abrasion Machine聽is for measuring aggregate toughness and abrasion resistance, crushing, degradation an disintegration.
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- Inquiry
ASTM Standard Digital Display Los Angeles Fragmentation Abrasion Machine聽is for measuring aggregate toughness and abrasion resistance, crushing, degradation an disintegration.
Standard
AASHTO T 96聽ASTM C535聽ASTM C131/131M
Features
Electronic safety interlocks allow operation only with doors secured
Powerful 1hp motor rotates drum through slip-clutch protected chain drive
Enclosure lined with sound attenuating foam
Safety stop button
Principle
The aggregate used in surface course of the highway pavements are subjected to wearing due to movement of traffic,when vehicles move on the road, the soil particles present between the pneumatic tyres and road surface cause abrasion of road aggregates.
The steel rimmed wheels of driven vehicles also cause considerable abrasion of the road surface. Therefore, the road aggregates should be hard enough to resist abrasion. Resistance to abrasion of aggregate is determined in laboratory by Los Angeles test machine.
The principle of Los Angeles abrasion test is to produce abrasive action by use of standard steel balls which when mixed with aggregates and rotated in a drum for specific number of revolutions also causes impact on aggregates.
Parameter:
Product | Los Angeles Machine |
Cylinder inner diameter 脳 inner length | 710mm 脳 510mm (卤 5mm) |
Speed | 30-33 rpm |
Working voltage | Customized |
Counter | 4 digits |
Steel ball | 47.6 (8 pcs) 45 (3 pcs) 44.5 (1 pc) |
Weight | 200kg |
Overall dimensions | 1130 脳 750 脳 1050mm (length 脳 width 脳 height) |
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